Spring has officially arrived this week. It's time for the first set of interdisciplinary clues. Week-by-week these clues will reveal fascinating facts to narrow your search and help you get progressively closer to the secret locations.

On March 9th you predicted what the photoperiod graph would look like at the end of March. It's time to revisit your prediction graph (Week #6 Journal Page). What patterns were you seeing? What were the rates of change from week to week? Based on this week's graph patterns, what new predictions do you have? Use today's Journal Page to write about patterns, rates of change, and predictions!